UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000060894
Receipt number R000069581
Scientific Title Changes in Skin Findings Following the Use of Booster Serum and Serum Alone or in Combination: An Exploratory Randomized Parallel-Group Interventional Study Using VISIA, Dermoscopy, and Questionnaire Assessments
Date of disclosure of the study information 2026/03/11
Last modified on 2026/03/11 11:47:06

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Basic information

Public title

A study on changes in skin condition with the use of booster serum and serum alone or in combination

Acronym

Skin Change Study with Booster and Serum

Scientific Title

Changes in Skin Findings Following the Use of Booster Serum and Serum Alone or in Combination: An Exploratory Randomized Parallel-Group Interventional Study Using VISIA, Dermoscopy, and Questionnaire Assessments

Scientific Title:Acronym

Booster and Serum Skin Evaluation RCT

Region

Japan


Condition

Condition

Not applicable (Healthy adults)

Classification by specialty

Dermatology Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To exploratorily evaluate changes in skin condition in healthy adult men and women following the use of an introductory serum and a cosmetic serum, either alone or in combination, using VISIA image analysis, dermoscopy, and questionnaire assessments. This study will obtain preliminary data to inform the design of future comparative trials (including intervention duration, required sample size, and selection of appropriate outcome measures), and will establish objective scientific evidence of product characteristics to support appropriate information provision.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Change from baseline to Day 28 in facial skin parameters (wrinkles, pores, pigmentation, redness, and skin texture) assessed by VISIA image analysis

Key secondary outcomes

Change from baseline to Day 28 in dermoscopic skin microstructure findings
Change from baseline to Day 28 in subject-reported skin condition scores assessed by questionnaire


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

3

Purpose of intervention

Treatment

Type of intervention

Other

Interventions/Control_1

Participants will apply the booster serum twice daily (morning and evening) to the entire face after cleansing. After application, they will perform their usual skincare routine. The intervention period will be 28 days. Initiation of new skincare products during the study period will be prohibited.

Interventions/Control_2

Participants will apply the serum twice daily (morning and evening) to the entire face after cleansing and application of lotion (toner). After application, they will perform their usual skincare routine. The intervention period will be 28 days. Initiation of new skincare products during the study period will be prohibited.

Interventions/Control_3

After cleansing, participants will apply an appropriate amount of the booster serum to the entire face. Subsequently, after applying lotion (toner), they will apply an appropriate amount of the serum to the entire face and then proceed with their usual skincare routine. This procedure will be performed twice daily (morning and evening). The intervention period will be 28 days. Initiation of new skincare products during the study period will be prohibited.

Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

65 years-old >=

Gender

Male and Female

Key inclusion criteria

To explore changes in skin condition following cosmetic use in healthy adult males and females.

Key exclusion criteria

Individuals with a known history of allergy to any ingredients of the investigational products.
Individuals with severe skin diseases (e.g., severe facial eczema, active skin infections).
Pregnant or breastfeeding women, or those highly likely to be pregnant (according to institutional policy).
Individuals planning to undergo medical or cosmetic facial procedures (e.g., laser treatment, chemical peeling, injections) during the study period.
Individuals judged inappropriate for participation by the principal investigator.

Target sample size

30


Research contact person

Name of lead principal investigator

1st name Kishio
Middle name
Last name Kuroda

Organization

0th CLINIC

Division name

Medical Director

Zip code

103-0027

Address

CAMCO Nihonbashi Building 4F, 2-16-9 Nihonbashi, Chuo-ku Tokyo

TEL

03-6281-9280

Email

k.kuroda@0thclinic.com


Public contact

Name of contact person

1st name Mitsuki
Middle name
Last name Irie

Organization

Rainmakers Co., Ltd.

Division name

New Business Development Department

Zip code

103-0027

Address

L.Biz Nihonbashi 4F, 2-9-10 Nihonbashi, Chuo-ku Tokyo

TEL

080-4191-0684

Homepage URL


Email

m.irie@rainmakers.jp


Sponsor or person

Institute

Rainmakers Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

Rainmakers Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Nihonbashi Sakura Clinic, Medical Corporation Ouryokukai

Address

Inamura Building 5F, 1-9-2 Nihonbashi Kayabacho, Chuo-ku Tokyo

Tel

03-6661-9061

Email

c-irb_ug@neues.co.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2026 Year 03 Month 11 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled

33

Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

No longer recruiting

Date of protocol fixation

2026 Year 02 Month 16 Day

Date of IRB

2026 Year 02 Month 17 Day

Anticipated trial start date

2026 Year 02 Month 24 Day

Last follow-up date

2026 Year 04 Month 17 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded

2026 Year 06 Month 30 Day


Other

Other related information



Management information

Registered date

2026 Year 03 Month 11 Day

Last modified on

2026 Year 03 Month 11 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069581